On ASR8400, 2MB
This goes against the instructions provided by others including SHoNKY - just wanted to see if it was possible.
Backed up my settings using my utility. Closed all browsers, email clients etc.
In order to start with an Origo firmware had to downgrade to 184.108.40.206.F-3.2.1_021804 via batch + USB.
Left for a minute or two. Powered up and logged into 10.0.0.2 with the password 'epicrouter'
Checked it was OK - seemed fine.
Ran the Billion 220.127.116.11a_PcB300c batch install created by my DLF Manager - and switched the router off for 2 minutes.
On powering up, the IP had changed to 192.168.1.254 - some pages looked incomplete, images and other pages were missing.
Gradually it got worse and worse until there was nothing left on the router (according to FTP). It seems the incompatibility
with loading a different kernel means it basically deletes itself.
Switched the router off and on - then tried the batch install again. There was a slight improvement, but the interface wouldn't hold the pages for long...
USB Flash Repaired back to Billion 18.104.22.168_PcB213 - as usual with the repair, I had to reinstall the USB adapter etc:
Restoring the Billion 22.214.171.124a_PcB300c settings on the 213 seemed OK.